Description Teach your dog when itâs time to be quiet and curb excessive barking with the PetSafe Rechargeable Bark Collar. The bark collar is easy to use with no programming required. Great for controlling problematic barking, the collar learns how much your dog barks and automatically adjust using up to 15 levels of correction. This lightweight, waterproof collar fits pets 8 pounds and up and adjusts to fit neck sizes up to 27 inches. The collar uses a rechargeable battery and quickly recharges with the included USB charger. PetSafe brand is here to help you and your pet live happy togetherâ¢.PRODUCT DETAILS: Safely Stops Barking - 15 levels of automatically adjusting static correction help teach your dog to stop excessive barking Learns Your Dogâs Bark - Our unique bark-sensing technology learns your dogâs bark to prevent your dog from receiving a false correction, even other dogsâ barking Waterproof Collar - Continue bark training in any environment, indoors or out, with the waterproof collar Rechargeable Battery - Get up to 40 hours of use, and quickly recharge in 2 hours using the included USB charger Sizing - Collar fits dogs 8 pounds and up and the adjustable strap fits pets with a neck size up to 23 inches Bark Collar You Can Trust - For 25 years, we have been the trusted brand in creating safe, high-quality, training products to help you and your pet live happy together